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DC Lab - Sensitive Voltage Detector With Audio Output

Textbook

In this hands-on electronics experiment, you will construct a voltage detector with adjustable sensitivity and audio output, and you will learn a method for detecting small electrical signals without an oscilloscope.

DC Lab - Potentiometer as a Rheostat

Textbook

In this hands-on electronics experiment, you will use a potentiometer as a variable resistor to control the speed of a motor and learn how to connect a potentiometer as a rheostat.

Switches, Process Actuated

Textbook

It is very important to keep in mind that the “normal”…

Synchronous Motors

Textbook

Single Phase Synchronous Motors Single-phase synchronous motors are…

Building a Differential Amplifier

Textbook

Differential Op-Amp Circuits An op-amp with no feedback is already a…

Lorentz Force Calculator

Tools

This calculator will determine the combined Lorentz force exerted on a charged particle moving through both an electric field and a magnetic field.

DC Lab - 4-wire Resistance Measurement

Textbook

In this hands-on electronics experiment, you will perform a 4-wire Kelvin resistance measurement and learn how to accurately measure resistance.

DC Generator Theory

Worksheets - Sensors

Generators used in battery-charging systems must be regulated so as to…

RMS Voltage Calculator

Tools

This calculator calculates the RMS Voltage value from either the peak voltage, the peak-to-peak voltage, or the average voltage.

Octal and Hexadecimal Numeration

Textbook

Because binary numeration requires so many bits to represent…

Re-drawing Complex Schematics

Textbook

Typically, complex circuits are not arranged in nice, neat, clean…

Half-Adder

Textbook

As a first example of useful combinational logic, let’s build a…

Voltage Divider Circuits

Textbook

Let’s analyze a simple series circuit and determine the voltage…

Phase Rotation

Textbook

Three-Phase Alternator Let’s take the three-phase alternator…

Attenuators

Textbook

What is Attenuators? Attenuators are passive devices. It is…

Boolean Rules for Simplification

Textbook

Boolean algebra finds its most practical use in the simplification of…

Circuit Components

Textbook

Remember that this tutorial is not exhaustive by any means, and that…

Non-Inverting Op-Amp Resistor Calculator

Tools

This calculator determines the bias and feedback of resistors for a non-inverting Op-Amp

Op-Amp Data

Textbook

Parametric data for all semiconductor op-amp models except the CA3130…

DIY EE Lab - Introduction to Electronics Projects

Textbook

To learn about electronics, you must eventually engage in hands-on experimentation. Knowledge gleaned from books alone has limited use in scientific endeavors. Troubleshooting a circuit can be as important as the knowledge gained from a properly functioning experiment.

Capacitor Types

Textbook

A capacitor is a passive two-terminal electronic component that…

Bipolar Junction Transistor (BJT) theory

Worksheets - Sensors

Don’t just sit there! Build something!! Learning to mathematically…

JFET Biasing Techniques

Textbook

Using an example, learn about the different bias techniques for junction field effect transistors (JFETs) like the constant voltage bias, self-bias configuration, and voltage divider biasing.

Capacitor Sizing Equation

Textbook

Capacitance Formula     Permittivity of Dielectric  …

Likely Failures in Unproven Systems

Textbook

“All men are liable to error;” —John Locke Whereas…

Bandpass Filter Calculator

Tools

This calculates values of the inductance, capacitance of an inductor and capacitor used in a Butterworth LC bandpass filter.

Design Project: Voltmeter

Worksheets - Sensors

The most important component of your voltmeter will be the…

Microstrip Max Current Calculator

Tools

A calculator for solving the maximum current a microstrip can handle.

Simple Circuits

Worksheets - Sensors

Shown here is the schematic symbol for a resistor: What is the purpose…

Complex Number Arithmetic

Textbook

Since complex numbers are legitimate mathematical entities, just like…

What Is the Skin Effect?

Textbook

The Skin Depth of Copper in Electrical Engineering As previously…

DC Lab - Rate-of-change Indicator

Textbook

In this hands-on electronics experiment, you will build an analog differentiator circuit that outputs a signal proportional to the rate-of-change and learn about one of the advantages of analog circuits.

Decibel Calculator

Tools

This calculator will convert voltage or power gains into decibels. Enter one of the three values and the calculator will output the other two.

Circuits and the Speed of Light

Textbook

Suppose we had a simple one-battery, one-lamp circuit controlled by a…

MESFETs

Textbook

Electrical Transients

Textbook

This chapter explores the response of capacitors and inductors to…

Inductors

Worksheets - Sensors

∫f(x) dx Calculus alert! A 5 H inductor is subjected to an electric…

Factors Affecting Capacitance

Textbook

There are three basic factors of capacitor construction determining…

Inverting and Noninverting OpAmp Voltage Amplifier Circuits

Worksheets - Sensors

Don’t just sit there! Build something!! Learning to mathematically…

Friis Transmission Calculator

Tools

This calculator computes the power received by an antenna using Friis formula

Complex Circuits

Textbook

What do we do if we come across a circuit more complex than the simple…

Diode Ratings

Textbook

In addition to forward voltage drop (Vf) and peak inverse voltage…

Electric Shock

Worksheets - Sensors

It is sometimes said regarding electrical safety that, Ït’s not the…

Derivatives of Power Functions of e

Textbook

Example Derivatives of e Proportionality Constant When we say that a…

Insulated Gate Field-Effect Transistors

Worksheets - Sensors

Don’t just sit there! Build something!! Learning to mathematically…

Circuit Effects

Textbook

The principle of non-sinusoidal, repeating waveforms being equivalent…

Slope (integrating) ADC

Textbook

So far, we’ve only been able to escape the sheer volume of…